

package com.hazelcast.nio.serialization;

import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;

import javax.annotation.Nonnull;
import java.io.IOException;

/**
 * A base class for custom serialization. User can register custom serializer like following:
 * <pre>
 *     final SerializerConfig serializerConfig = new SerializerConfig();
 *     serializerConfig.setImplementation(new StreamSerializer&lt;Person&gt;() {
 *          public int getTypeId() {
 *
 *          }
 *
 *          public void destroy() {
 *
 *          }
 *
 *          public void write(ObjectDataOutput out, Person object) throws IOException {
 *
 *          }
 *
 *          public Person read(ObjectDataInput in) throws IOException {
 *
 *          });
 *
 *     serializerConfig.setTypeClass(Person.class);
 *     config.getSerializationConfig().addSerializerConfig(serializerConfig);
 *
 * </pre>
 * There is another class with byte arrays can be used instead ıf this interface
 * see {@link com.hazelcast.nio.serialization.ByteArraySerializer}.
 * <p>
 * C++ and C# clients also have compatible methods so that with custom serialization client can also be used
 * <p>
 * Note that read and write methods should be compatible
 *
 * @param <T> type of the serialized object
 */
public interface StreamSerializer<T> extends Serializer {

    /**
     * This method writes object to ObjectDataOutput
     *
     * @param out    ObjectDataOutput stream that object will be written to
     * @param object that will be written to out
     * @throws IOException in case of failure to write
     */
    void write(@Nonnull ObjectDataOutput out, @Nonnull T object) throws IOException;

    /**
     * Reads object from objectDataInputStream
     *
     * @param in ObjectDataInput stream that object will read from
     * @return read object
     * @throws IOException in case of failure to read
     */
    @Nonnull
    T read(@Nonnull ObjectDataInput in) throws IOException;
}
